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node-spearhead/lib/do_instance/gen_do_ACTION.js

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/*
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* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
/*
* Copyright 2015 Joyent, Inc.
*
* `triton instance start ...`
* `triton instance stop ...`
* `triton instance reboot ...`
* `triton instance delete ...`
*/
var assert = require('assert-plus');
var vasync = require('vasync');
var common = require('../common');
var f = require('util').format;
function perror(err) {
console.error('error: %s', err.message);
}
function gen_do_ACTION(opts) {
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assert.object(opts, 'opts');
assert.string(opts.action, 'opts.action');
assert.optionalArrayOfString(opts.aliases, 'opts.aliases');
var action = opts.action;
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assert.ok(['start', 'stop', 'reboot', 'delete'].indexOf(action) >= 0,
'invalid action');
function do_ACTION(subcmd, _opts, args, callback) {
return _doTheAction.call(this, action, subcmd, _opts, args, callback);
}
if (opts.aliases) {
do_ACTION.aliases = opts.aliases;
}
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do_ACTION.help = [
f('%s one or more instances.', common.capitalize(action)),
f(''),
f('Usage:'),
f(' {{name}} %s <alias|id> ...', action),
f(''),
f('{{options}}')
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].join('\n');
do_ACTION.options = [
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{
names: ['help', 'h'],
type: 'bool',
help: 'Show this help.'
},
{
names: ['wait', 'w'],
type: 'bool',
help: 'Block until instance state indicates the action is complete.'
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}
];
return do_ACTION;
}
function _doTheAction(action, subcmd, opts, args, callback) {
var self = this;
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var now = Date.now();
var command, state;
switch (action) {
case 'start':
command = 'startMachine';
state = 'running';
break;
case 'stop':
command = 'stopMachine';
state = 'stopped';
break;
case 'reboot':
command = 'rebootMachine';
state = 'running';
break;
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case 'delete':
command = 'deleteMachine';
state = 'deleted';
break;
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default:
callback(new Error('unknown action: ' + action));
break;
}
if (opts.help) {
this.do_help('help', {}, [subcmd], callback);
return;
} else if (args.length < 1) {
callback(new Error('invalid args: ' + args));
return;
}
vasync.forEachParallel({
func: function (arg, cb) {
var alias, uuid;
if (common.isUUID(arg)) {
uuid = arg;
done();
} else {
self.top.tritonapi.getInstance(arg, function (err, inst) {
if (err) {
perror(err);
cb(err);
return;
}
alias = arg;
uuid = inst.id;
done();
});
}
// called when "uuid" is set
function done() {
self.top.tritonapi.cloudapi[command](uuid,
function (err, body, res) {
if (err) {
perror(err);
cb(err);
return;
}
if (!opts.wait) {
if (alias)
console.log('%s (async) instance %s (%s)',
common.capitalize(action), alias, uuid);
else
console.log('%s (async) instance %s',
common.capitalize(action), uuid);
cb();
return;
}
self.top.tritonapi.cloudapi.waitForMachineStates({
id: uuid,
states: [state]
}, function (err2, inst2, res2) {
if (action === 'delete' &&
res2 && res2.statusCode === 410) {
// This is success, fall through to bottom.
/* jsl:pass */
} else if (err2) {
perror(err2);
cb(err2);
return;
}
var dur = common.humanDurationFromMs(Date.now() - now);
if (alias)
console.log('%s instance %s (%s, %s)',
common.capitalize(action), alias, uuid, dur);
else
console.log('%s instance %s (%s)',
common.capitalize(action), uuid, dur);
cb();
});
});
}
},
inputs: args
}, function (err, results) {
var e = err ? (new Error('command failure')) : null;
callback(e);
});
}
module.exports = gen_do_ACTION;